Radon fan
Latest Spruce Environmental Technologies, Inc. Patents:
Description
FIG. 1 is a side, top, perspective view of the radon fan;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Claims
The ornamental design for a radon fan, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| D381411 | July 22, 1997 | Kapturowski |
- Spruce Inline Fan Brochure Folder, 1998.
- Fantech Sales Brochure, 1998.
- Fantech Sales Brochure, 1994.
- Continental Fan Sales Brochure, Approximately 1995.
- Vent-Axia Sales Brochure, Approximately 1995.
- Rosenberg Sales Brochure, Approximately 1990.
- Fan America (Kanalflakt) Sales Brochure, Approximately 1990.
- Nutone Sales Brochure, Approximately 1996.
Patent History
Patent number: D437042
Type: Grant
Filed: Sep 10, 1999
Date of Patent: Jan 30, 2001
Assignee: Spruce Environmental Technologies, Inc. (Ward Hill, MA)
Inventor: David P. Kapturowski (Groveland, MA)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Wolf, Greenfield & Sacks, P.C.
Application Number: 29/110,692
Type: Grant
Filed: Sep 10, 1999
Date of Patent: Jan 30, 2001
Assignee: Spruce Environmental Technologies, Inc. (Ward Hill, MA)
Inventor: David P. Kapturowski (Groveland, MA)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Wolf, Greenfield & Sacks, P.C.
Application Number: 29/110,692
Classifications
